Netflix Conductor

A high-scale microservices orchestration engine designed to coordinate complex distributed workflows.

Conductor manages stateful service coordination at massive scale: Netflix relies on it to process millions of concurrent workflows. The engine uses a JSON-based DSL to define blueprints (DAGs) that execute across polyglot environments (Java, Python, and Go). It eliminates boilerplate code by handling retries, timeouts, and state persistence through a centralized dashboard. This architecture decouples business logic from infrastructure: developers focus on task implementation while the system ensures reliable execution across distributed clusters.

https://conductor-oss.org/